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CVE-2016-20082 abtest CVE debrief

CVE-2016-20082 is a local file inclusion vulnerability in the WordPress Plugin Abtest. This vulnerability allows unauthenticated attackers to include arbitrary files by manipulating the action parameter. Attackers can send GET requests to abtest_admin.php with malicious action values to include files from the admin directory and execute arbitrary code.

Vendor
abtest
Product
Unknown
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of the WordPress Plugin Abtest should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability has a CVSS score of 6.9 and a severity of MEDIUM. The CVSS vector is CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update the WordPress Plugin Abtest to the latest version.
  • Restrict access to the abtest_admin.php file.
  • Monitor for suspicious activity on the WordPress site.

Evidence notes

The vulnerability was reported by [email protected] and is referenced in the NVD database.

Official resources

CVE-2016-20082 was published on 2026-06-15T14:16:31.787Z and has not been modified since.